Palin replied, "Heck no because being a single mom is, oh my goodness, my heart goes out to the single parents. But my enormous admiration for what it is that they're able to accomplish doing double-duty. And I watch Bristol do double-duty all the time, you know, with her little boy, Tripp."

Back in June, Bristol announced that she was pregnant with her second child. While sharing the news on her blog, the former "Dancing With the Stars" contestant called it a "huge disappointment to my family" but admitted "there's nothing I can't do with God by my side."